Issue/Rev. 0.5 (6/11)
MN01029 • Page 7
4.Whenrotorassemblyisremovedfromthehousing,
turn it upside down and place it on a wooden block 
or metal plate.
•Thewoodenblockorplatemusthaveaclearance
hole in the center  for the shaft and must be high 
enough to allow the shaft to clear the table. See Fig-
ure 1 for dimensions in constructing a wooden block.
•Ifrotorassemblyistobesetasidetemporarily,it
may be laid on its side. However, cardboard or other 
suitable cushion should be placed under it to protect 
the blades from damage.
5.  The  block,  Figure  19,  can  be  separated  from  the  
housing by removing the two bolts in the side of the 
housing.
•When replacing the block, a sealant must be
appliedtothetwoblockretainingbolts(Master
Gasket by Loctite is recommended).This will 
preventleakage.
Rotor Disassembly
1.  Using an Allen wrench, loosen locating arm screw 
and pull locating arm from shaft, Figure 21.
2. Remove key and retaining ring from shaft, Figure 21.
3. Remove clamps and blade blocks, Figure 22, from 
assembly.
4. Using two screwdrivers, pry off rotor cover, Figure 23.
• Slots are provided in the cover to accept the
screwdriver  blades.  Place  screwdrivers  opposite 
each other and pry upward uniformly. Do not pry 
downwardwithscrewdrivers,asdamagecould
occur to the top edge of the rotor body.
•Notelocatingpinsincover,Figure24.
5. The  rotor  cover consists  of  the  cover,  Marcel  ring, 
rotor bearing, and lower bearing shield, Figure 25. If  
replacement of tungsten carbide outer  radial bear-
ings is necessary, it is recommended that complete 
 
Figure 20
Figure 21
Figure 22
Figure 23
Figure 24
Section 1 – General Information and Description (continued)